/Engine/Plugins/2D/Paper2D/Source/Paper2D/Classes/PaperGroupedSpriteComponent.h
Update the color for the instance specified. Returns True on success.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Components|Sprite") virtual bool UpdateInstanceColor ( int32 InstanceIndex, [FLinearColor](API\Runtime\Core\Math\FLinearColor) NewInstanceColor, bool bMarkRenderStateDirty )